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» Algorithmic Results in List Decoding
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EVOW
2007
Springer
15 years 9 months ago
Overcompressing JPEG Images with Evolution Algorithms
Abstract. Overcompression is the process of post-processing compressed images to gain either further size reduction or improved quality. This is made possible by the fact that the ...
Jacques Lévy Véhel, Franklin Mendivi...
SIGIR
2012
ACM
13 years 5 months ago
Cognos: crowdsourcing search for topic experts in microblogs
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
Saptarshi Ghosh, Naveen Kumar Sharma, Fabrí...
LREC
2010
189views Education» more  LREC 2010»
15 years 4 months ago
Automatic Summarization Using Terminological and Semantic Resources
In this paper we present a new algorithm for automatic summarization of specialized texts combining terminological and semantic resources: a term extractor and an ontology. The te...
Jorge Vivaldi, Iria da Cunha, Juan Manuel Torres M...
ALENEX
2007
102views Algorithms» more  ALENEX 2007»
15 years 4 months ago
Linearization: Locally Self-Stabilizing Sorting in Graphs
We consider the problem of designing a distributed algorithm that, given an arbitrary connected graph G of nodes with unique labels, converts G into a sorted list of nodes. This a...
Melih Onus, Andréa W. Richa, Christian Sche...
ICIP
2000
IEEE
16 years 4 months ago
Rate-Complexity-Distortion Optimization for Quadtree-Based DCT Coding
In this paper, we study rate-complexity-distortion (R-C-D) tradeoffs for video coding, where we focus on the complexity of computing the inverse DCT. A quadtree coding approach is...
Krisda Lengwehasatit, Antonio Ortega